Archives of #Virtual Machine

High Performance Book almost ready for Early Release preview

Our first few chapters of High Performance Python are nearly ready for the Early Release on O’Reilly’s platform, we’ll be releasing: Understanding Performance Python (an overview of the virtual machine and modern PC hardware) Profiling Python Code (for CPU and RAM profiling, lots of options) Pure Python (generators, the guts of dicts and the like) […]

Using ZeroFree to shrink a VirtualBox Linux Image

My development Ubuntu image inside VirtualBox was using too much space to store empty but non-zero disk blocks on its virtual drive. This sucked space from my laptop’s SSD (which is already not big enough!). Shrinking it by zeroing the blocks took a little bit of effort. Inside VirtualBox if I boot my Ubuntu 11.04 […]